<template>
    <div class="input-box">
        <input type="text" placeholder="输入任务名称" v-model="taskName"> 
        <span @click="handleClick">新增</span>
    </div>
</template>

<script>
export default {
    data(){
        return {
            taskName:''
        }
    },
    methods:{
        handleClick(){
            if( this.taskName ){
                //调用数据仓库中的同步方法addTask, 新增一个任务, 并保存到数据仓库中的state.tasklist中
                this.$store.commit('addTask', this.taskName );
                this.taskName = '';//清空输入框
            }else{
                alert('请输入任务名称')
            }
        }
    },
}
</script>

<style scoped lang='scss'>
.input-box{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.input-box input{
    flex: 1;
    height: 40px;
    border: none;
    outline: none;
    padding-left: 20px;
    background-color: #f5f5f5;
}
.input-box span{
    width: 60px;
    text-align: center;
    color: lightseagreen;
}
</style>